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NEET AIPMT SOLVED PAPER SCREENING 2010

  • question_answer
    A particle of mass M is situated at the centre of a spherical shell of same mass and radius a. The gravitational potential at a point situated at a/2 distance from the centre, will be

    A) \[-\frac{3GM}{a}\]

    B)                        \[-\frac{2GM}{a}\]

    C) \[-\frac{GM}{a}\]            

    D)        \[-\frac{4GM}{a}\]

    Correct Answer: A

    Solution :

    Gravitational potential at point a/ 2 distance from centre\[=-\frac{GM}{a}-\frac{GM}{a/2}\]                       \[=-\frac{3GM}{a}\]


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